Construction guardrail for road construction

Abstract

A construction guardrail for road construction is characterized by comprising supporting legs, guardrail frames are arranged on the supporting legs, guardrail cross rods are arranged on the guardrail frames, insertion grooves are formed in the supporting legs, turnover plates are arranged on the insertion grooves, fastening blocks are arranged on the turnover plates, screwing bolts are arranged on the fastening blocks, storage grooves are formed in the turnover plates, and the storage grooves are connected with the turnover plates. A rotating shaft is arranged in the storage groove, and a threaded rod is arranged on the rotating shaft; a guardrail cross rod of a guardrail frame is inserted into an insertion groove of a supporting leg, at the moment, a turnover plate is horizontally placed, a threaded rod in a storage groove vertically downwards extends into a limiting groove under the action of gravity, the threaded rod and the guardrail cross rod are fixed from the lower portion of the limiting groove through a bolt, and then a fastening block and the guardrail cross rod are clamped by screwing the bolt; the guardrail fixing device is simple in structure and convenient to operate and transport, fixing of the guardrail is achieved, use of springs is avoided, the situation that the whole device is unstable after long-time use is avoided, and the guardrail fixing device is simple in structure and convenient to operate and transport.

Description

Technical Field

[0001] The utility model relates to the technical field of construction guardrails, in particular to a construction guardrail for road construction. Background Art

[0002] During the construction process, in order to improve safety, construction guardrails are set up around the foundation pit of the construction site and in the material stacking and processing sites to isolate and warn the construction site personnel. The construction guardrail is made of an iron pipe, which is made through layers of processes such as seamless steel pipe bending, welding, grinding and polishing, high-pressure baking paint, and film pasting. It is generally widely used for isolation and warning of construction sites, usually used for road reconstruction and road construction enclosure safety isolation. The main body of the construction guardrail is black with a clear reflective film, which has a clear warning effect on the driver, can reduce the degree of casualties of people and vehicles in accidents, and form a safer effect. The main function in road construction is to prevent people from turning over or climbing over, and to improve safety. The current guardrails have certain disadvantages when used. Most guardrails are one-piece designs and cannot be spliced ​​and assembled, resulting in a large size and heavy weight. It is not easy to transport, and it is more laborious to install the guardrail, affecting its actual practical performance;

[0003] There is a road construction guardrail with patent number CN219864452U, which can effectively solve the above problems. It includes two support legs, characterized in that a guardrail folding assembly is provided between the two support legs, and the guardrail folding assembly includes two parallel cross bars, a plurality of vertical bars are hingedly provided between the two cross bars, and two mounting assemblies convenient for mounting in the middle of the support legs are symmetrically provided at both ends of the cross bars. In the utility model, the traditional integrated guardrail is split into support legs and a guardrail folding assembly, and a plurality of vertical bars are hingedly provided between the two cross bars in the guardrail folding assembly to form a parallelogram connecting rod form. The vertical bars are folded and stored during the transportation of the guardrail, which greatly reduces the space occupied by the guardrail and reduces the transportation cost.

[0004] However, the existing guardrail has a complex installation assembly structure during use. When disassembly is required, the driving block needs to be moved backward, and then the limit block is tightened inward by the reset spring. After long-term use, the elastic force of the spring weakens, which will cause the limit block to reduce the limiting effect of the guardrail, thereby causing the overall device to be unstable. In order to solve the above problems, a construction guardrail for road construction is proposed. Utility Model Content

[0005] According to the above existing technical problems, the utility model provides a construction guardrail for road construction, which is characterized by comprising a support leg, a guardrail frame, a guardrail cross bar, an insertion slot, a folding plate, a fastening block, a tightening bolt, a storage slot, a rotating shaft, a threaded rod, and a limit slot, wherein the guardrail frame is provided on the support leg, the guardrail cross bar is provided on the guardrail frame, the insertion slot is provided on the support leg, the folding plate is provided on the insertion slot, the fastening block is provided on the folding plate, the tightening bolt is provided on the fastening block, the storage slot is provided on the folding plate, the rotating shaft is provided in the storage slot, the threaded rod is provided on the rotating shaft, and the limit slot is provided on the guardrail cross bar;

[0006] Furthermore, a support leg is provided on both sides of the guardrail frame, a limit slot is provided on both ends of the guardrail crossbar, two insertion slots are fixedly provided on each support leg, and a folding plate is provided on the upper surface of each insertion slot;

[0007] Further, the folding plate is connected to the supporting leg through a rotating shaft, a fastening block is provided on both sides of the front end of the folding plate, the two fastening blocks are arranged opposite to each other, a tightening bolt is provided on the fastening block, a receiving groove is provided on the lower surface of the folding plate, the threaded rod is arranged in the receiving groove through a rotating shaft, the rotating shaft is located at an end of the receiving groove close to the outside, and the rotation angle of the threaded rod in the receiving groove is ninety degrees;

[0008] Furthermore, the length of the portion of the folding plate that is not connected to the fastening block is the same as the height of the insertion slot, the length of the threaded rod is longer than the length of the guardrail cross bar, and the rotation axis is located directly above the limiting slot.

[0009] Beneficial effects of the utility model:

[0010] The utility model is characterized in that the guardrail cross bar of the guardrail frame is inserted into the insertion slot of the supporting leg. At this time, the folding plate is placed horizontally, and the threaded rod in the storage slot is vertically downward under the action of gravity and extends into the limit slot. The threaded rod and the guardrail cross bar are fixed by bolts from below the limit slot, and the fastening block and the guardrail cross bar are clamped by tightening the bolts to achieve the fixation of the guardrail. When disassembling and transporting, the guardrail cross bar of the guardrail frame and the connecting rod therebetween are provided with a rotating shaft, which can be retracted. The folding plate on the supporting leg is folded downward under the action of gravity, and the threaded rod is received in the storage slot through the rotating shaft. Since the length of the part of the folding plate that is not connected to the fastening block is the same as the height of the insertion slot, at this time the insertion slot is located in the part of the folding plate that is not connected to the fastening block, the folding plate is in a vertical downward state, which is convenient for transportation and avoids the use of springs. After long-term use, the overall device will not be unstable. The structure is simple and convenient for operation and transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1This is a schematic diagram of the overall structure of a construction guardrail for road construction according to the utility model;

[0012] Figure 2 This is a specific schematic diagram of a construction guardrail for road construction according to the utility model;

[0013] Figure 3 This is a schematic diagram of the internal structure of a construction guardrail for road construction according to the utility model;

[0014] Figure 4 This is a schematic diagram of the internal structure of a folding plate of a construction guardrail for road construction according to the utility model;

[0015] Figure 5 This is a schematic diagram of the use of a folding plate of a construction guardrail for road construction according to the utility model;

[0016] As shown in the figure: 1 supporting leg, 2 guardrail frame, 3 guardrail cross bar, 4 insertion slot, 5 folding plate, 6 fastening block, 7 tightening bolt, 8 storage slot, 9 rotating shaft, 10 threaded rod, 11 limit slot. DETAILED DESCRIPTION

[0017] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0019] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. In addition, the technical features involved in the different embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other.

[0020] Example 1

[0021] The utility model provides a construction guardrail for road construction, which is characterized by comprising a supporting leg 1, a guardrail frame 2, a guardrail cross bar 3, an insertion slot 4, a folding plate 5, a fastening block 6, a tightening bolt 7, a receiving slot 8, a rotating shaft 9, a threaded rod 10, and a limiting slot 11. The guardrail frame 2 is arranged on the supporting leg 1, the guardrail cross bar 3 is arranged on the guardrail frame 2, the inserting slot 4 is arranged on the supporting leg 1, the folding plate 5 is arranged on the inserting slot 4, the fastening block 6 is arranged on the folding plate 5, the tightening bolt 7 is arranged on the fastening block 6, the receiving slot 8 is arranged on the folding plate 5, the rotating shaft 9 is arranged in the receiving slot 8, the threaded rod 10 is arranged on the rotating shaft 9, and the limiting slot 11 is arranged on the guardrail cross bar 3;

[0022] Furthermore, a support leg 1 is provided on both sides of the guardrail frame 2, a limit slot 11 is provided at both ends of the guardrail crossbar 3, two insertion slots 4 are fixedly provided on each support leg 1, and a folding plate 5 is provided on the upper surface of each insertion slot 4;

[0023] Furthermore, the folding plate 5 is connected to the supporting leg 1 through a rotating shaft, and a fastening block 6 is provided on both sides of the front end of the folding plate 5. The two fastening blocks 6 are arranged opposite to each other, and a tightening bolt 7 is provided on the fastening block 6. A receiving groove 8 is provided on the lower surface of the folding plate 5, and a threaded rod 10 is arranged in the receiving groove 8 through a rotating shaft 9. The rotating shaft 9 is located at an end of the receiving groove 8 close to the outside, and the rotation angle of the threaded rod 10 in the receiving groove 8 is ninety degrees;

[0024] Furthermore, the length of the portion of the folding plate 5 that is not connected to the fastening block 6 is the same as the height of the insertion slot 4 , the length of the threaded rod 10 is longer than the length of the guardrail crossbar 3 , and the rotating shaft 9 is located directly above the limiting slot 11 .

[0025] Example 2

[0026] When the cam 11 is in the upright position, the bolt 10 is pulled back and the bolt 11 is tightened to the locking nut 14 so that the cam 11 can be locked to the locking nut 14. When the cam 11 is in the upright position, the bolt 10 is pulled back and the locking nut 11 is tightened to the locking nut 14.

[0027] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The various components mentioned in the utility model are common technologies in the existing field. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A construction guardrail for road construction, characterized in that It includes a supporting leg, a guardrail frame, a guardrail cross bar, an insertion slot, a folding plate, a fastening block, a tightening bolt, a storage slot, a rotating shaft, a threaded rod, and a limiting slot. The guardrail frame is arranged on the supporting leg, the guardrail cross bar is arranged on the guardrail frame, the insert slot is arranged on the supporting leg, the folding plate is arranged on the insertion slot, the fastening block is arranged on the folding plate, the tightening bolt is arranged on the fastening block, the storage slot is arranged on the folding plate, the rotating shaft is arranged in the storage slot, the threaded rod is arranged on the rotating shaft, and the limiting slot is arranged on the guardrail cross bar.

2. A construction guardrail for road construction according to claim 1, characterized in that: A supporting leg is arranged on both sides of the guardrail frame, a limiting groove is arranged on both ends of the guardrail crossbar, two insertion grooves are fixedly arranged on each supporting leg, and a folding plate is arranged on the upper surface of each insertion groove.

3. A construction guardrail for road construction according to claim 2, characterized in that: The folding plate is connected to the supporting leg through a rotating shaft, and a fastening block is provided on both side surfaces of the front end of the folding plate. The two fastening blocks are arranged opposite to each other, and tightening bolts are provided on the fastening blocks. A storage groove is provided on the lower surface of the folding plate, and the threaded rod is arranged in the storage groove through a rotating shaft, and the rotating shaft is located at an outer end of the storage groove, and the rotation angle of the threaded rod in the storage groove is ninety degrees.

4. A construction guardrail for road construction according to claim 3, characterized in that: The length of the portion of the folding plate that is not connected to the fastening block is the same as the height of the insertion slot, the length of the threaded rod is longer than the length of the guardrail cross bar, and the rotation axis is located directly above the limiting slot.

Images